Sanitary napkin



FIG. 1 is a front, top and side perspective view of the sanitary napkin embodying the design of the present invention;

FIG. 2 is a front elevational view thereof, the side opposite being a mirror image of the side shown in the FIG. 2.

FIG. 3 is a side elevational view thereof, the side opposite being a mirror image of the side shown in FIG. 3;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a sanitary napkin, as shown and described. 